from netpkg import *

class PkgGenerator(object):
    def __init__(self):
        pass

    def str2pkg(self, header, pkgstr):
        pass

    def cls2pkg(self, cls, paras):
        pass

class PkgHeader(object):
    def __init__(self, header_str):
        pass

class BasePkg(object):
    def __init__(self):
        pass

    def print_pkg(self):
        pass

    def init_from_str(self, pkg_str):
